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If of round cross section the bar will typically be end-forged to create a head, which is then flatted by additional forging. The head may then be machined to a precise thickness and flatness. An alternative method for using round bar is to form a loop and to forge-weld (hammer weld) or electrically weld the free end to the main bar. [2]
Hurricane ties are in place at the top of the wall as the roof trusses are being placed. A hurricane tie (also known as hurricane clip or strip) is used to help make a structure (specifically wooden structures ) more resistant to high winds (such as in hurricanes ), resisting uplift, racking, overturning, and sliding. [ 3 ]
Metal connector plates. A truss connector plate, or gang plate, is a kind of tie. Truss plates are light gauge metal plates used to connect prefabricated light frame wood trusses. They are produced by punching light gauge galvanized steel to create teeth on one side. The teeth are embedded in and hold the wooden frame components to the plate ...
A strut bar, strut brace, or strut tower brace (STB) is an automotive suspension accessory on a monocoque or unibody chassis to provide extra stiffness between the strut towers. With a MacPherson strut suspension system where the spring and shock absorber combine in one suspension unit, which also replaces the upper control arm, the entire ...
A steel Pratt truss and plate girder bridge was built in 1894 to carry the B&O Valley Line (now the CSX Shenandoah Subdivision) toward Winchester, Virginia, along the Shenandoah River. This was complemented in 1930–1931 with a deck plate girder bridge that carried the B&O Main Line (now the CSX Cumberland Subdivision) to Martinsburg, West ...
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Greenbrier County, West Virginia, United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in an online map. [1]
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Wood County, West Virginia, United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in an online map. [1]
This is a list of West Virginia covered bridges. There are 17 historic wooden covered bridges in the U.S. state of West Virginia. Only three of these bridges were built before 1870 and they are the three longest in the state. Each uses a standard truss design, braced with the Burr Arch. No one-truss design dominates in the state.